In a man, sperms move after ejaculation at a rate of nearly
A
2 to 4 mm / minute
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B
2 to 4 feet / minute
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C
2 to 4 inches / minute
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D
2 to 4 cm / minute
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Solution
The correct option is A 2 to 4 mm / minute Spermatozoa swims / streams straight and parallely. The tail / flagella propels the sperm and can rotate like the propeller at the rate of 2-4mm/min. Human sperm are only 55 microns in length, so even a millimeter is a pretty big distance for the sperms to cover.